Across
- 2. control center of cell
- 5. the plasma membrane of the cell is composed mosty
- 7. first cells on earth billion years ago
- 8. organells coverd by a membrane
- 9. have their own DNA
- 10. pairs of microtubular structures play a roll in cell division
Down
- 1. surrounds plasma membrane
- 3. forms ribosomes
- 4. energy used to transport particles through its plasma membrane
- 6. permis the entry and exit of dissolved materials in an animal cell